CN102497685A - Electromagnetic heater and manufacturing method thereof - Google Patents
Electromagnetic heater and manufacturing method thereof Download PDFInfo
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- CN102497685A CN102497685A CN2011104086807A CN201110408680A CN102497685A CN 102497685 A CN102497685 A CN 102497685A CN 2011104086807 A CN2011104086807 A CN 2011104086807A CN 201110408680 A CN201110408680 A CN 201110408680A CN 102497685 A CN102497685 A CN 102497685A
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Abstract
The invention discloses an electromagnetic heater, comprising a board body, wherein at least one electromagnetic slot is formed in the board body, a wiring port is arranged on the slot wall of each electromagnetic slot, a coil is flatly laid in each electromagnetic slot, all the coils are electrically connected with one another through the wiring ports, an electromagnetic generation layer formed by flatly laying magnetic strips is arranged on each coil, each coil is electrically connected onto a high-frequency voltage transformer outside the board body, an adapter board made of epoxy resin is arranged above the board body, a heat-insulating board is arranged at the bottom of the board body, and a shielding layer made of aluminum strips is wrapped on the outer part of the board body. The manufacturing method of the electromagnetic heater comprises the following steps of: 1, taking the board body with the electromagnetic slots, winding the coil in each electromagnetic and stretching leads out of the board body; 2, flatly laying the magnetic strips on each coil to fill each electromagnetic slot; 3, arranging the adapter plate on the board body and arranging the heat-insulating plate below the adapter board; 4, wrapping the board body by using the aluminum strips to form the shielding layer; and 5, electrically connecting an extension end of each coil to the high-frequency voltage transformer. The electromagnetic heater disclosed by the invention is directional in heating, constant in temperature, resistant to voltage and heat, insulative to heat, simple to manufacture and energy-saving as well as environment-friendly.
Description
Technical field
The present invention relates to technical field of processing equipment, refer in particular to a kind of electromagnetic heater and preparation method thereof.
Background technology
Mold temperature is a key factor that influences quality of die casting, when particularly producing some complicated die casting, have only when mold temperature be controlled at a certain than close limit in the time; Just qualified die casting can be produced, at this moment, mold temperature must be strictly controlled; Yet; In each die casting circulation, the temperature in the mold cavity changes, the temperature of control mould; The temperature of mould when heat balance is controlled in the optimum working temperature of mould, is to improve one of essential condition that die casting ensures the quality of products.
At present, the heating means that compression mod is commonly used comprise: coal gas, natural gas heating; Low-melting alloy heating and electric heating, wherein, though coal gas, natural gas heating method are convenient; Cost is low, but can make the mold cavity surface especially in the die cavity less bossing overheated, make die cavity softening at last; Thereby reduce die life, and heating time is long; Low-melting alloy heating is generally little to compression mod influence in useful life, can stick to the phenomenon on moving, the cover half but also occur foundry goods sometimes, if high-melting-point alloys such as pack alloy also in this way the time, will reduce die life greatly; Electric heating is generally through resistance heater, electric induction heater or infrared heater heating, and what wherein the most often adopt is that resistance wire heats, easy to clean, the handling safety of this kind mode of heating; But the resistance wire heating, the heat efficiency is very low, and it mainly is to be abutted against to touch to conduct transferring heat energy; Whole heating when the various heating plates of processing with resistance wire, circle work, and it has only the position that a face touches needs heating, the heat of other parts to obtain utilizing direct biography to loose in air; Theoretically, traditional heating collar about each transmit half the heat, promptly be dissipated in airborne heat just 50%; If heater has worn out certainly; The heat efficiency can be lower so, and this has caused the waste of heat energy greatly again, do not meet the energy-conservation theme of the world today.
Summary of the invention
The objective of the invention is to overcome weak point of the prior art and a kind of electromagnetic heater and preparation method thereof is provided, the directed heating of this heater, temperature constant, withstand voltage heat-resisting, heat-insulation and heat-preservation, easy to make simple, energy-conserving and environment-protective.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of electromagnetic heater, it comprises plate body, said plate body is processed by phenolic plastics; In this plate body, be formed with at least one electromagnetism groove, respectively be formed with the connection jaws that lead can be set on this electromagnetism groove cell wall, tiling has coil in this electromagnetism groove respectively; Respectively this coil is electrically connected through connection jaws each other, and by a magnetic stripe tiling formation electromagnetism genetic horizon, this coil is electrically connected on the plate body high frequency transformer outward on this coil respectively; The bearing plate of one covering electromagnetism genetic horizon is installed above this plate body; This bearing plate is processed by epoxy resin, in the plate body bottom one thermal insulation board is installed, and this thermal insulation board is a glass mat; This plate body external packets is wrapped with a screen, and this screen is processed by aluminum strip.
Be formed with three above electromagnetism grooves in the said plate body; The joint face of this plate body and bearing plate fits tightly; The joint face of this plate body and thermal insulation board fits tightly, and each coil in this plate body is that lead twines the lead winding that forms, and respectively the lead of this coil is electrically connected to adjacent coil through connection jaws; Respectively the magnetic stripe on this coil fills up the electromagnetism groove that coil is carried in corresponding shop; The lead of this coil extends to the plate body outside through connection jaws, and this coil is electrically connected with high frequency transformer through elongated end, and this high frequency transformer can form the high frequency voltage of 20～40kHz.
The plate body that the coil that is coated with magnetic stripe is carried in said shop is structure as a whole.
Said shop is carried the electromagnetism genetic horizon of being made up of magnetic stripe on the coil that is coated with magnetic stripe and the coil and is embedded in plate body, joins together with plate body.
The plate body that the coil that is coated with magnetic stripe is carried in said shop is a up-down structure, and this superstructure is formed by the cell block assembly group at interval more than two.
A kind of method of making above-mentioned electromagnetic heater, it comprises the steps:
One. get one be formed with the electromagnetism groove of tool connection jaws plate body, in the electromagnetism groove with the lead tiling be wound with coil, and lead is extended plate body;
Two. magnetic stripe on tiling on the coil, fill up the electromagnetism groove, form the electromagnetism genetic horizon, with directional electromagnetic the Direction of Reaction;
Three. a bearing plate is installed above plate body,, a thermal insulation board is installed, below plate body to avoid thermal loss to guarantee the withstand voltage thermal endurance of plate body plate body when working;
Four. each side of getting aluminum strip parcel plate body forms screen, with shielding electromagnetic wave, guarantees the directionality of plate body heating;
Five. the elongated end of coil is electrically connected to high frequency transformer, keeps operating voltage constant, make the zone of heating heated at constant temperature of plate body through high frequency transformer.
The plate body of the electromagnetism groove of said tool connection jaws forms through molded.
Coil in the plate body of the electromagnetism groove of said tool connection jaws is exerted pressure to the magnetic stripe on the coil through bearing plate, forces magnetic stripe and coil to embed in this plate body, and coil and magnetic stripe and plate body are joined together.
The plate body of the electromagnetism groove of said tool connection jaws is a up-down structure, and this superstructure is made up of the cell block of two above space assembly groups.
Beneficial effect of the present invention is: combining with magnetic stripe through coil forms the electromagnetism genetic horizon, cooperates the effect of high frequency transformer, and AC rectification is become direct current; Convert direct current to high frequency voltage again, for coil provides stable electric current, the electric energy on the coil forms alternating magnetic field through the interaction with magnetic stripe; When metal die to be heated contacted with the bearing plate of electromagnetic heater, the magnetic line of force of alternating magnetic field was most of through mould, on mould, produced a large amount of eddy current; Eddy current makes the free electron in the mould form circinate alternate motion; Make mould heating at a high speed voluntarily itself, thereby reach purpose the heating of mould inside material, and the constant voltage effect of high frequency transformer; Make that the heating-up temperature of electromagnetic heater is more constant, guaranteed the quality of product processing; Plate body itself adopts phenolic plastics to process, and mold heat is to the fire damage of plate body, the bearing plate that the installing ring epoxy resins is processed on plate body when having avoided loss and the heating mould of electric energy; Avoid heat loss plate body when heating mould, guarantee the crushing resistance of plate body, avoid the plate body damage that pressurized causes when heating mould; The thermal insulation board of plate body bottom, the loss of electric energy and heat when having guaranteed coil working, the screen that plate body is outside; Through the shielding alternating magnetic field of aluminum strip, avoid electromagnetism from diffusion all around, waste magnetic energy; The position of coil and magnetic stripe is provided with in addition, makes alternating magnetic field only have an effect to the direction of bearing plate, makes the electromagnetism heating have more directionality; Avoided the wasting of resources; And epoxy resin board, glass mat and phenolic plastics are green material, make its more environmental protection, and the electrical insulating property of institute's materials used has also improved the electromagnetic heater security performance; In addition, it is simple in structure, is convenient to make.
Description of drawings
Fig. 1 is a work sketch map of the present invention.
Fig. 2 is the structural representation of plate body of the present invention.
Fig. 3 is the vertical view of the plate body of plate body specific embodiment 1-4 of the present invention and 6-8.
Fig. 4 is the vertical view of the plate body of plate body specific embodiment 5 of the present invention and 9.
Embodiment
Below in conjunction with Figure of description the present invention is described further:
Specific embodiment 1:
Shown in Fig. 1-4, the present invention is about a kind of electromagnetic heater, and it comprises plate body 1; Said plate body 1 is processed by phenolic plastics, in this plate body 1, is formed with at least one electromagnetism groove 11, respectively is formed with the connection jaws 12 that lead can be set on these electromagnetism groove 11 cell walls; Tiling has coil in this electromagnetism groove 11 respectively, and respectively this coil is electrically connected through connection jaws 12 each other, and on this coil respectively, being tiled by magnetic stripe 5 is forming an electromagnetism genetic horizon; This coil is electrically connected on the outer high frequency transformer of plate body 1, above this plate body 1, install one cover the electromagnetism genetic horizon bearing plate 2, this bearing plate 2 is processed by epoxy resin; In plate body 1 bottom one thermal insulation board 3 is installed; This thermal insulation board 3 is a glass mat, and this plate body 1 external packets is wrapped with a screen, and this screen is processed by aluminum strip.
Specific embodiment 2:
Shown in Fig. 2-4, the present invention has disclosed a kind of electromagnetic heater, is formed with three above electromagnetism grooves 11 in its plate body 1; This plate body 1 fits tightly with the joint face of bearing plate 2, and this plate body 1 fits tightly with the joint face of thermal insulation board 3, and each coil in this plate body 1 is that lead twines the lead winding that forms; Respectively the lead of this coil is electrically connected to adjacent coil through connection jaws 12; Respectively the magnetic stripe 5 on this coil fills up the electromagnetism groove 11 that coil is carried in corresponding shop, and the lead of this coil extends to plate body 1 outside through connection jaws 12, and this coil is electrically connected with high frequency transformer through elongated end; This high frequency transformer can form the high frequency voltage of 20～40kHz; NM technical characterictic in this specific embodiment adopts the technical characterictic of specific embodiment 1 to lay down a definition, and repeats no more at this.
Specific embodiment 3:
Shown in Fig. 1-3, the present invention has disclosed a kind of electromagnetic heater, and the plate body 1 that the coil that is coated with magnetic stripe 5 is carried in its shop is structure as a whole, and NM technical characterictic in this specific embodiment adopts the technical characterictic of specific embodiment 2 to lay down a definition, and repeats no more at this.
Specific embodiment 4:
Shown in Fig. 1-3; The present invention has disclosed a kind of electromagnetic heater; Its shop is carried the electromagnetism genetic horizon of being made up of magnetic stripe 5 on the coil be coated with magnetic stripe 5 and the coil and is embedded in plate body 1, joins NM technical characterictic in this specific embodiment together with plate body 1; Adopt the technical characterictic of specific embodiment 2 to lay down a definition, repeat no more at this.
Specific embodiment 5:
Like Fig. 1-2, shown in 4; The present invention has disclosed a kind of electromagnetic heater; The plate body 1 that the coil that is coated with magnetic stripe 5 is carried in its shop is up-down structure, and this superstructure is formed by the cell block assembly group at interval more than two, NM technical characterictic in this specific embodiment; Adopt the technical characterictic of specific embodiment 2 to lay down a definition, repeat no more at this.
Specific embodiment 6:
Shown in Fig. 1-4, the present invention has disclosed a kind of method of making each described electromagnetic heater of specific embodiment 1-5, and it comprises the steps:
One. get one be formed with the electromagnetism groove 11 of tool connection jaws 12 plate body 1, in electromagnetism groove 11 with the lead tiling be wound with coil, and lead is extended plate body 1;
Two. magnetic stripe 5 on tiling on the coil, fill up electromagnetism groove 11, form the electromagnetism genetic horizon, with directional electromagnetic the Direction of Reaction;
Three. a bearing plate 2 is installed above plate body 1,, a thermal insulation board 3 is installed, below plate body 1 to avoid thermal loss to guarantee the withstand voltage thermal endurance of plate body 1 plate body 1 when working;
Four. each side of getting aluminum strip parcel plate body 1 forms screen, with shielding electromagnetic wave, guarantees the directionality of plate body 1 heating;
Five. the elongated end of coil is electrically connected to high frequency transformer, keeps operating voltage constant, make the zone of heating heated at constant temperature of plate body 1 through high frequency transformer.
NM technical characterictic in this specific embodiment adopts each technical characterictic of specific embodiment-5 to lay down a definition, and repeats no more at this.
Specific embodiment 7:
Shown in Fig. 1-3; The present invention has also disclosed a kind of method of making specific embodiment 6 described electromagnetic heaters; The plate body 1 of the electromagnetism groove 11 of its tool connection jaws 12 forms through molded; NM technical characterictic in this specific embodiment adopts the technical characterictic of specific embodiment 6 to lay down a definition, and repeats no more at this.
Specific embodiment 8:
Shown in Fig. 1-3; The present invention has also disclosed a kind of method of making specific embodiment 6 described electromagnetic heaters, and the coil in the plate body 1 of the electromagnetism groove 11 of its tool connection jaws 12 is exerted pressure through the magnetic stripe 5 on 2 pairs of coils of bearing plate, forces magnetic stripe 5 and coil to embed in this plate body 1; Coil and magnetic stripe 5 are joined together with plate body 1; NM technical characterictic in this specific embodiment adopts the technical characterictic of specific embodiment 6 to lay down a definition, and repeats no more at this.
Specific embodiment 9:
Like Fig. 1-2, shown in 4; The present invention has also disclosed a kind of method of making specific embodiment 6 described electromagnetic heaters; The plate body 1 of the electromagnetism groove 11 of its tool connection jaws 12 is a up-down structure, and this superstructure is made up of the cell block of two above space assembly groups, NM technical characterictic in this specific embodiment; Adopt the technical characterictic of specific embodiment 6 to lay down a definition, repeat no more at this.
The present invention combines with magnetic stripe 5 through coil and forms the electromagnetism genetic horizon, cooperates the effect of high frequency transformer, and the AC rectification of 220V/50Hz is become direct current; Convert direct current to high frequency voltage that frequency is 20～40kHz again, for coil provides stable electric current, the electric energy on the coil forms alternating magnetic field through the interaction with magnetic stripe 5; When metal die 4 to be heated contacted with the bearing plate 2 of electromagnetic heater, the magnetic line of force of alternating magnetic field was most of through mould 4, on mould 4, produced a large amount of eddy current; Eddy current makes the free electron in the mould 4 form circinate alternate motion; Mould 4 itself is generated heat at a high speed voluntarily, thereby reach purpose the heating of mould 4 materials inside, and the constant voltage effect of high frequency transformer; Make that the heating-up temperature of electromagnetic heater is more constant, guaranteed the quality of product processing; Plate body 1 itself adopts phenolic plastics to process, and utilizes the thermal endurance and the good insulation performance performance of phenolic plastics, and mould 4 heats are to the fire damage of plate body 1 when having avoided loss and the heating mould 4 of electric energy; The bearing plate 2 that the installing ring epoxy resins is processed on plate body 1, utilize epoxy resin excellent electric insulation performance, higher mechanical property with and the thermal endurance of solidfied material, avoid heat loss plate body 1 when heating mould 4; Guarantee the crushing resistance of plate body 1, avoid plate body 1 damage that pressurized causes when heating mould 4, the thermal insulation board 3 of plate body 1 bottom; Utilize the thermal insulation of glass mat and stable electrical insulation capability, the loss of electric energy and heat when guaranteeing coil working, the screen of plate body 1 outside; Through the shielding alternating magnetic field of aluminum strip, avoid electromagnetism from diffusion all around, waste magnetic energy; The position of coil and magnetic stripe 5 is provided with in addition, makes alternating magnetic field only have an effect to the direction of bearing plate 2, makes the electromagnetism heating have more directionality; Avoided the wasting of resources; And epoxy resin board, glass mat and phenolic plastics are green material, make its more environmental protection, and the electrical insulating property of institute's materials used has also improved the electromagnetic heater security performance; In addition, it is simple in structure, is convenient to make.
The above only is to preferred embodiment of the present invention; Be not that scope of the present invention is limited; So design under the prerequisite of spirit not breaking away from the present invention; The equivalence that the common engineers and technicians in this area do structure of the present invention, characteristic and principle changes or decorates, and all should fall in the protection range that the present invention applies for a patent.
Claims (9)
1. electromagnetic heater, it comprises plate body, it is characterized in that: said plate body is processed by phenolic plastics; In this plate body, be formed with at least one electromagnetism groove, respectively be formed with the connection jaws that lead can be set on this electromagnetism groove cell wall, tiling has coil in this electromagnetism groove respectively; Respectively this coil is electrically connected through connection jaws each other, and by a magnetic stripe tiling formation electromagnetism genetic horizon, this coil is electrically connected on the plate body high frequency transformer outward on this coil respectively; The bearing plate of one covering electromagnetism genetic horizon is installed above this plate body; This bearing plate is processed by epoxy resin, in the plate body bottom one thermal insulation board is installed, and this thermal insulation board is a glass mat; This plate body external packets is wrapped with a screen, and this screen is processed by aluminum strip.
2. electromagnetic heater according to claim 1; It is characterized in that: be formed with three above electromagnetism grooves in the said plate body, the joint face of this plate body and bearing plate fits tightly, and the joint face of this plate body and thermal insulation board fits tightly; Each coil in this plate body is that lead twines the lead winding that forms; Respectively the lead of this coil is electrically connected to adjacent coil through connection jaws, and respectively the magnetic stripe on this coil fills up the electromagnetism groove that coil is carried in corresponding shop, and the lead of this coil extends to the plate body outside through connection jaws; This coil is electrically connected with high frequency transformer through elongated end, and this high frequency transformer can form the high frequency voltage of 20～40kHz.
3. electromagnetic heater according to claim 2 is characterized in that: the plate body that the coil that is coated with magnetic stripe is carried in said shop is structure as a whole.
4. electromagnetic heater according to claim 2 is characterized in that: said shop is carried the electromagnetism genetic horizon of being made up of magnetic stripe on the coil that is coated with magnetic stripe and the coil and is embedded in plate body, joins together with plate body.
5. electromagnetic heater according to claim 2 is characterized in that: the plate body that the coil that is coated with magnetic stripe is carried in said shop is a up-down structure, and this superstructure is formed by the cell block assembly group at interval more than two.
6. method of making each described electromagnetic heater of claim 1～5, it is characterized in that: it comprises the steps:
One. get one be formed with the electromagnetism groove of tool connection jaws plate body, in the electromagnetism groove with the lead tiling be wound with coil, and lead is extended plate body;
Two. magnetic stripe on tiling on the coil, fill up the electromagnetism groove, form the electromagnetism genetic horizon, with directional electromagnetic the Direction of Reaction;
Three. a bearing plate is installed above plate body,, a thermal insulation board is installed, below plate body to avoid thermal loss to guarantee the withstand voltage thermal endurance of plate body plate body when working;
Four. each side of getting aluminum strip parcel plate body forms screen, with shielding electromagnetic wave, guarantees the directionality of plate body heating;
Five. the elongated end of coil is electrically connected to high frequency transformer, keeps operating voltage constant, make the zone of heating heated at constant temperature of plate body through high frequency transformer.
7. electromagnetic heater according to claim 6 is characterized in that: the plate body of the electromagnetism groove of said tool connection jaws forms through molded.
8. electromagnetic heater according to claim 6; It is characterized in that: the coil in the plate body of the electromagnetism groove of said tool connection jaws is exerted pressure to the magnetic stripe on the coil through bearing plate; Force magnetic stripe and coil to embed in this plate body, coil and magnetic stripe and plate body are joined together.
9. electromagnetic heater according to claim 6 is characterized in that: the plate body of the electromagnetism groove of said tool connection jaws is a up-down structure, and this superstructure is made up of the cell block of two above space assembly groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104086807A CN102497685A (en) | 2011-12-09 | 2011-12-09 | Electromagnetic heater and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104086807A CN102497685A (en) | 2011-12-09 | 2011-12-09 | Electromagnetic heater and manufacturing method thereof |
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| CN102497685A true CN102497685A (en) | 2012-06-13 |
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| CN2011104086807A Pending CN102497685A (en) | 2011-12-09 | 2011-12-09 | Electromagnetic heater and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102833898A (en) * | 2012-08-16 | 2012-12-19 | 东莞市天冠节能科技有限公司 | Electromagnetic heating device manufacturing method and electromagnetic heating device manufactured by same |
| CN105328849A (en) * | 2015-11-04 | 2016-02-17 | 谭志斌 | Hot press plate for shoe tree die |
| CN107139282A (en) * | 2017-07-19 | 2017-09-08 | 湖南宏润科技发展有限公司 | A kind of high-frequency electromagnetic induction directly-heated press heating plate |
| CN107150383A (en) * | 2017-07-19 | 2017-09-12 | 湖南宏润科技发展有限公司 | A kind of electromagnetic induction directly-heated press |
| CN107926086A (en) * | 2015-09-02 | 2018-04-17 | 伊莱克斯家用电器股份公司 | Inductive coil assembly for induction cook kitchen range |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503305A (en) * | 1979-12-17 | 1985-03-05 | Virgin George C | Electromagnetic induction air heater |
| CN1362321A (en) * | 2001-05-28 | 2002-08-07 | 株洲时代新材料科技股份有限公司 | Electromagnetic heating method and heater for sulfurizing machine |
| CN101394691A (en) * | 2008-09-19 | 2009-03-25 | 江苏大学 | Electromagnetic heating micro forming method and apparatus thereof |
| CN202455567U (en) * | 2011-12-09 | 2012-09-26 | 东莞市龙正电子科技有限公司 | Electromagnetic heater |
-
2011
- 2011-12-09 CN CN2011104086807A patent/CN102497685A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503305A (en) * | 1979-12-17 | 1985-03-05 | Virgin George C | Electromagnetic induction air heater |
| CN1362321A (en) * | 2001-05-28 | 2002-08-07 | 株洲时代新材料科技股份有限公司 | Electromagnetic heating method and heater for sulfurizing machine |
| CN101394691A (en) * | 2008-09-19 | 2009-03-25 | 江苏大学 | Electromagnetic heating micro forming method and apparatus thereof |
| CN202455567U (en) * | 2011-12-09 | 2012-09-26 | 东莞市龙正电子科技有限公司 | Electromagnetic heater |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102833898A (en) * | 2012-08-16 | 2012-12-19 | 东莞市天冠节能科技有限公司 | Electromagnetic heating device manufacturing method and electromagnetic heating device manufactured by same |
| CN102833898B (en) * | 2012-08-16 | 2015-11-18 | 东莞市天冠节能科技有限公司 | Electromagnetic heater manufacture method and device thereof |
| CN107926086A (en) * | 2015-09-02 | 2018-04-17 | 伊莱克斯家用电器股份公司 | Inductive coil assembly for induction cook kitchen range |
| CN107926086B (en) * | 2015-09-02 | 2021-02-19 | 伊莱克斯家用电器股份公司 | Induction coil assembly for an induction cooking hob |
| CN105328849A (en) * | 2015-11-04 | 2016-02-17 | 谭志斌 | Hot press plate for shoe tree die |
| CN107139282A (en) * | 2017-07-19 | 2017-09-08 | 湖南宏润科技发展有限公司 | A kind of high-frequency electromagnetic induction directly-heated press heating plate |
| CN107150383A (en) * | 2017-07-19 | 2017-09-12 | 湖南宏润科技发展有限公司 | A kind of electromagnetic induction directly-heated press |
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